How long does it take to fly to Perth?

Average flight duration from Washington, D.C. to Perth depends on which airport you fly into and out of. Flying from Baltimore to Perth is 32h 16m on average, while flying from Washington, D.C. to Perth is 32h 42m on average. Perth is the most popular airport in Perth.

What is the cheapest airline that flies from Washington, D.C. to Perth?

Qantas Airways, Qatar Airways, and Singapore Airlines are the most popular carriers operating from Washington, D.C. to Perth

When did momondo last update prices for flights from Washington, D.C. to Perth Airport?

Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Perth Airport?

The number of operators available for flights from Washington, D.C. to Perth Airport is 2 as of October 2026.

How old do you have to be to fly from Washington, D.C. to Perth Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.

What documentation or ID do you need to fly to Perth Airport?

The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$666 Cheap Flights from Washington, D.C. to Perth in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Perth

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-PER Perth

43h 15m3 stops Istanbul Kuala Lumpur Intl Denpasar Bali Ngurah Rai

7:25 am - 7:25 pmPER Perth-IAD Washington, D.C. Dulles Intl

49h 00m3 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl Istanbul

$1,445Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

9:20 pm - 3:40 amIAD Washington, D.C. Dulles Intl-PER Perth

41h 20m2 stops Istanbul Kuala Lumpur Intl

7:00 am - 7:25 pmPER Perth-IAD Washington, D.C. Dulles Intl

49h 25m3 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl Istanbul

$1,509Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

6:00 am - 6:55 amIAD Washington, D.C. Dulles Intl-PER Perth

35h 55m2 stops Los Angeles Hong Kong Intl

8:30 am - 5:38 amPER Perth-IAD Washington, D.C. Dulles Intl

34h 08m2 stops Hong Kong Intl Los Angeles

$1,533Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

6:00 am - 4:50 pmBWI Baltimore/Washington-PER Perth

45h 50m2 stops Los Angeles Auckland Intl

6:50 pm - 11:20 amPER Perth-BWI Baltimore/Washington

53h 30m2 stops Auckland Intl Houston George Bush Intcntl

$1,554Air New Zealand

Wed, Feb 17 - Sun, Mar 7

11:51 am - 4:00 pmBWI Baltimore/Washington-PER Perth

39h 09m2 stops Dallas/Fort Worth Brisbane

5:00 am - 7:17 pmPER Perth-BWI Baltimore/Washington

27h 17m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,651Qantas Airways

Thu, Nov 5 - Thu, Nov 12

4:04 pm - 2:10 pmBWI Baltimore/Washington-PER Perth

33h 06m2 stops Dallas/Fort Worth Brisbane

10:55 pm - 10:32 pmPER Perth-BWI Baltimore/Washington

36h 37m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,671Qantas Airways

Fri, Nov 27 - Fri, Dec 4

8:05 pm - 10:00 pmIAD Washington, D.C. Dulles Intl-PER Perth

36h 55m2 stops Doha Hamad Intl Melbourne

10:45 pm - 3:55 pmPER Perth-IAD Washington, D.C. Dulles Intl

30h 10m1 stop Doha Hamad Intl

$2,320Qatar Airways

Sun, Nov 8 - Sun, Nov 15

8:05 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-PER Perth

33h 40m1 stop Doha Hamad Intl

12:15 pm - 3:55 pmPER Perth-IAD Washington, D.C. Dulles Intl

40h 40m2 stops Sydney Kingsford Smith Doha Hamad Intl

$2,340Qatar Airways

Fri, Nov 27 - Fri, Dec 4

9:05 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-PER Perth

33h 40m1 stop Doha Hamad Intl

1:20 pm - 3:55 pmPER Perth-IAD Washington, D.C. Dulles Intl

39h 35m2 stops Brisbane Doha Hamad Intl

$2,356Qatar Airways

Fri, Oct 30 - Sat, Nov 7

5:10 pm - 2:10 pmIAD Washington, D.C. Dulles Intl-PER Perth

32h 00m2 stops Dallas/Fort Worth Brisbane

10:55 pm - 10:45 pmPER Perth-IAD Washington, D.C. Dulles Intl

36h 50m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$2,626Qantas Airways

Sat, Dec 12 - Sun, Jan 3

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Air New Zealand flights from Washington, D.C. to Perth

Our best Air New Zealand deals on Washington, D.C. to Perth flight tickets

Air New Zealand

Feb 17

BWI6:00 amBaltimore/Washington

45h 50m

2 stops

PER4:50 pmPerth

Mar 7

PER6:50 pmPerth

53h 30m

2 stops

BWI11:20 amBaltimore/Washington

$1,554

Air New Zealand

Dec 30

IAD5:28 pmWashington, D.C. Dulles Intl

37h 27m

2 stops

PER7:55 pmPerth

Jan 22

PER6:50 pmPerth

39h 20m

2 stops

IAD9:10 pmWashington, D.C. Dulles Intl

$2,019

Air New Zealand

Dec 30

IAD5:28 pmWashington, D.C. Dulles Intl

37h 27m

2 stops

PER7:55 pmPerth

Jan 22

PER6:50 pmPerth

39h 20m

2 stops

IAD9:10 pmWashington, D.C. Dulles Intl

$2,020

Cathay Pacific flights from Washington, D.C. to Perth

Our best Cathay Pacific deals on Washington, D.C. to Perth flight tickets

Cathay Pacific

Nov 8

BWI7:18 amBaltimore/Washington

34h 37m

2 stops

PER6:55 amPerth

Nov 15

PER8:30 amPerth

46h 23m

2 stops

BWI5:53 pmBaltimore/Washington

$1,615

Cathay Pacific

Oct 30

DCA11:30 amWashington, D.C. Reagan-National

47h 25m

2 stops

PER10:55 pmPerth

Nov 6

PER12:25 amPerth

30h 39m

2 stops

DCA6:04 pmWashington, D.C. Reagan-National

$1,702

Cathay Pacific

Nov 25

IAD6:00 amWashington, D.C. Dulles Intl

51h 55m

2 stops

PER10:55 pmPerth

Dec 16

PER8:30 amPerth

33h 48m

2 stops

IAD5:18 amWashington, D.C. Dulles Intl

$1,796

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Perth

IAD Washington, D.C. Dulles Intl - PER Perth

IADPER

Washington, D.C. Dulles Intl

Sun 11/29

1:30 pm-9:45 pm

3 stops43h 15m

Perth

Sun 12/6

7:25 am-7:25 pm

3 stops49h 00m

$1,445

Washington, D.C.Perth

IAD Washington, D.C. Dulles Intl - PER Perth

IADPER

Washington, D.C. Dulles Intl

Sun 11/29

9:20 pm-3:40 am

2 stops41h 20m

Perth

Sun 12/6

7:00 am-7:25 pm

3 stops49h 25m

$1,509

Washington, D.C.Perth

IAD Washington, D.C. Dulles Intl - PER Perth

IADPER

Washington, D.C. Dulles Intl

Thu 11/5

6:00 am-6:55 am

2 stops35h 55m

Perth

Thu 11/12

8:30 am-5:38 am

2 stops34h 08m

$1,533

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Wed 2/17

6:00 am-4:50 pm

2 stops45h 50m

Perth

Sun 3/7

6:50 pm-11:20 am

2 stops53h 30m

$1,554

Quickest round-trip

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Thu 11/5

11:51 am-4:00 pm

2 stops39h 09m

Perth

Thu 11/12

5:00 am-7:17 pm

2 stops27h 17m

$1,651

BaltimorePerth

BWI Baltimore/Washington - PER Perth

BWIPER

Baltimore/Washington

Fri 11/27

4:04 pm-2:10 pm

2 stops33h 06m

Perth

Fri 12/4

10:55 pm-10:32 pm

2 stops36h 37m

$1,671

Washington, D.C.Perth

IAD Washington, D.C. Dulles Intl - PER Perth

IADPER

Washington, D.C. Dulles Intl

Sun 11/8

8:05 pm-10:00 pm

2 stops36h 55m

Perth

Sun 11/15

10:45 pm-3:55 pm

1 stop30h 10m

$2,320

Washington, D.C.Perth

IAD Washington, D.C. Dulles Intl - PER Perth

IADPER

Washington, D.C. Dulles Intl

Fri 11/27

8:05 pm-6:45 pm

1 stop33h 40m

Perth

Fri 12/4

12:15 pm-3:55 pm

2 stops40h 40m

$2,340

Washington, D.C.Perth

IAD Washington, D.C. Dulles Intl - PER Perth

IADPER

Washington, D.C. Dulles Intl

Fri 10/30

9:05 pm-6:45 pm

1 stop33h 40m

Perth

Sat 11/7

1:20 pm-3:55 pm

2 stops39h 35m

$2,356

Washington, D.C.Perth

IAD Washington, D.C. Dulles Intl - PER Perth

IADPER

Washington, D.C. Dulles Intl

Sat 12/12

5:10 pm-2:10 pm

2 stops32h 00m

Perth

Sun 1/3

10:55 pm-10:45 pm

2 stops36h 50m

$2,626

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Perth?

Prices are currently low for flights on this route.

Typical prices usually range from $1,865 to $2,163.
The lowest price recently found on this route was $1,445.

What is the cheapest month to fly to Perth?

In general, September is the cheapest month to fly from Washington, D.C. to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Perth during the month of September, then departing from Washington, D.C. during the month August is also very affordable. Most momondo users find prices during this month for around $0.

Can stopping save me money on Washington, D.C. to Perth flights?

You could potentially save up to 33% on your flight if you consider stops on a Washington, D.C. to Perth flight.

When to book flights from Washington, D.C. to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Perth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Perth

Best Price Found	$666
Fastest flight time	29h 45m
Direct flights	None

The best one-way flight to Perth from Washington, D.C. in the past 72 hours is $666. The best round-trip flight deal from Washington, D.C. to Perth found on momondo in the last 72 hours is $1,445.

The fastest flight from Washington, D.C. to Perth takes 29h 45m

There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes from Washington, D.C. to Perth.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Perth

How far is Washington, D.C. to Perth by plane?
The straight-line distance from Washington, D.C. to Perth is 11559.6 mi. 29h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Perth Airport?
Prices for flights from Washington, D.C. to Perth Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Perth Airport?
The number of operators available for flights from Washington, D.C. to Perth Airport is 2 as of October 2026.
How old do you have to be to fly from Washington, D.C. to Perth Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. to Perth?
Based on momondo bookings for flights between Washington, D.C. and Perth, the leading airline is Qantas Airways, making up 65% of the total bookings. Other popular airlines include Air New Zealand with 35%.

Best airlines flying from Washington, D.C. to Perth

Compare and see reviews for airlines that fly from Washington, D.C. to Perth with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $1,264	Free Cancellation	Rating 7.5 1,111 reviews		Search Qantas Airways flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,724 reviews		Search Qatar Airways flights

Fremantle

Mandurah

Rottnest Island

Scarborough

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

It is quick and easy to find Washington, D.C. to Perth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Perth that suits you.

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

Flights from Washington, D.C. to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Perth?

Once you have performed a search for Washington, D.C. to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Washington, D.C. and alert you when they change.